hwmon: (it87) Enhance validation for fan4 and fan5
authorGuenter Roeck <linux@roeck-us.net>
Sun, 5 Apr 2015 23:51:36 +0000 (16:51 -0700)
committerGuenter Roeck <linux@roeck-us.net>
Tue, 19 Apr 2016 13:32:37 +0000 (06:32 -0700)
commita0df926d33232f311d6a4d834391fec21b60db30
treef394cadb4224f886eb685180fea1901f46402619
parentf1bbe618604a4aa833a4af0b1ecdfb47a25455c6
hwmon: (it87) Enhance validation for fan4 and fan5

Several of the chips supported by this driver have a configuration
register to enable fan4 and fan5. Use those registers to determine
if fan4 and fan5 tachometers are supported.

Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/it87.c